12 21Jun89* Measurement time of closest approach. Astra. Molniyas 93 7Jan91 Salyut7 and using NASA Kep elements with care 94 14Jan91 Simple timing of satellite passes 99 18Feb91 The Elliptical Orbit 111 11May91 Orbit In Range Window timings 137 10Nov91 Moon and Planet orbits 138 17Nov91 Artificial Sat Orbits round Moon and Planets 140 1Dec91 Using and Abusing Keplerian Orbital Elements 182 19Sep92 Satellite Orbits 224 10Jul93 Where you are determines what you get 226 24Jul93 Where you are part II 233 11Sep93 Satellite Misconceptions - Footprint 295 19Nov94 Satellite Problem No8 Orbits 315 8Apr95 Getting into Orbit (and staying there) 317 22Apr95 In Orbit 318 29Apr95 In Orbit Pt 2 Keplerian Elements 319 06May95 In Orbit Pt 3 Kepler Maths 320 13May95 In Orbit Pt 4 Kepler Problems 321 20May95 In Orbit Pt 5 The Sun 322 27May95 In Orbit Pt 6 Planets 323 03Jun95 In Orbit Pt 7 Comets 361 24Feb96 Goodbye Jianbing? 362 02Mar96 AO-13 Not Same as Jianbing 363 09Mar96 Orbit Decay 364 16Mar96 Sunspots and Satellites 382 20Jul96 OSCAR 13 Shadow Dancer 394 12Oct96 Satellites in Shadow 406 04Jan97 Simple Sat Tracking Part 1 407 10Jan97 Simple Sat Tracking Part 2 411 08Feb97 Why Satellites Crash 436 02Aug97 Orbit Basics 437 09Aug97 Orbital Basics 2 438 16Aug97 Orbital Basics 3 455 13Dec97 The Future + or - P3D 456 20Dec97 Satellites in Drag 457 27Dec97 Formation Flying (1) 481 13May98 Sedsat Orbit 482 20May98 The Descent of Mir 525 17Apr99 Hesitation Waltz 531 29May99 Level Playing Field 1 532 05Jun99 Level Playing Field 2 535 26Jun99 Space Station Viewing 536 03Jul99 Satellite Collisions 537 10Jul99 Satellite Height Pt1 538 17Jul99 Satellite Height Pt2 539 24Jul99 Satellite Inclination 1 540 31Jul99 Satellite Inclination 2 541 07Aug99 Satellite Inclination 3 542 14Aug99 Satellite Inclination 4 544 28Aug99 New Ways into Space 596 26Aug00 Sat Information 2 601 30Sep00 Waiting for P3D 608 14Nov00 P3D Launch Orbit 609 25Nov00 AO40 Initial Orbit 614 30Dec00 Orbit Modification 615 06Jan01 The Sun also rises 624 10Mar01 Media Misinformation 634 19May01 AO40 Orbital Oddity 635 26May01 Comet Asteroid Orbits 642 14Jul01 Chasing AO40 Doppler
Articles by John Branegan, GM4IHJ (SK). Feedback to KB5MU.